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1431340430140 = 2253114871552531
BaseRepresentation
bin10100110101000010100…
…010011011001100111100
312001211112120112121022201
4110311002202123030330
5141422341122231030
63013314304521244
7205260643625335
oct24650242331474
95054476477281
101431340430140
115020343a3325
121b14a1020224
13a4c898c14aa
144d3c4a9b28c
15273747b32ca
hex14d4289b33c

1431340430140 has 48 divisors (see below), whose sum is σ = 3104865275904. Its totient is φ = 553694299200.

The previous prime is 1431340430129. The next prime is 1431340430141. The reversal of 1431340430140 is 410340431341.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1431340430099 and 1431340430108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431340430141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145675 + ... + 1698205.

It is an arithmetic number, because the mean of its divisors is an integer number (64684693248).

Almost surely, 21431340430140 is an apocalyptic number.

1431340430140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1431340430140 is an abundant number, since it is smaller than the sum of its proper divisors (1673524845764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1431340430140 is a wasteful number, since it uses less digits than its factorization.

1431340430140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554058 (or 1554056 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1431340430140 its reverse (410340431341), we get a palindrome (1841680861481).

The spelling of 1431340430140 in words is "one trillion, four hundred thirty-one billion, three hundred forty million, four hundred thirty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 1487 2974 5948 7435 14870 29740 46097 92194 184388 230485 460970 921940 1552531 3105062 6210124 7762655 15525310 31050620 48128461 96256922 192513844 240642305 481284610 962569220 2308613597 4617227194 9234454388 11543067985 23086135970 46172271940 71567021507 143134043014 286268086028 357835107535 715670215070 1431340430140